AMD RX-421ND vs Intel Core i5-8400T

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD RX-421ND or AMD RX-421ND – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The AMD RX-421ND features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q4/2015 and belongs to the 1 generation of the AMD R series.
To use the AMD RX-421ND, you'll need a motherboard with a FP4 socket.
The Intel Core i5-8400T features 6 processor cores and has the capability to manage 6 threads concurrently.
It was released in Q2/2018 and belongs to the 8 generation of the Intel Core i5 series.
To use the Intel Core i5-8400T, you'll need a motherboard with a LGA 1151-2 socket.
Mobile Segment Desktop / Server
AMD RX-421ND Name Intel Core i5-8400T
AMD R Family Intel Core i5
1 Generation 8
AMD RX 1st Gen. Group Intel Core i 8000
 
 

CPU Cores and Base Frequency

The AMD RX-421ND has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD RX-421ND is 2.1 GHz
and turbo frequency for one core is 3.4 GHz.
The Intel Core i5-8400T has 6 CPU cores and can calculate 6 threads in parallel.
The clock frequency of the Intel Core i5-8400T is 1.7 GHz
and turbo frequency for one core is 3.3 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
3.4 GHz Turbo Frequency (1 core) 3.3 GHz
No Overclocking Yes
normal Core architecture normal
2.1 GHz Frequency 1.7 GHz
4 Threads 6
None None 2.8 GHz
No Hyperthreading No
4 CPU Cores 6
4x Cores 6x
 
 

Internal Graphics

The AMD RX-421ND does not have integrated graphics.
The Intel Core i5-8400T has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-8400T uses the Intel UHD Graphics 630, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- GPU frequency 0.35 GHz
-- Release date Q4/2017
-- Direct X 12
GPU name Intel UHD Graphics 630
-- Technology 14 nm
-- Max. displays --
-- Shaders 192
0 bytes Max. GPU Memory 64.0 GB
-- Execution units 24
-- Generation 9.5
-- GPU (Turbo) 1.15 GHz
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
-- AVC Decode / Encode
-- VC-1 Decode
-- VP9 Decode / Encode
-- h265 / HEVC (10 bit) Decode / Encode
-- h264 Decode / Encode
-- VP8 Decode / Encode
-- h265 / HEVC (8 bit) Decode / Encode
-- JPEG Decode / Encode
-- AV1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 42.7 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
0 bytes Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
Yes ECC No
-- Bandwidth 42.7 GB/s
DDR3-2133, DDR4-2400 Memory type DDR4-2666
 
 

Thermal Management

The processor has a thermal design power (TDP) of 35 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 95 W watts.
90 °C Tjunction max --
35 W TDP (PL1 / PBP) 95 W
12 W TDP down None
 
 

Technical details

The AMD RX-421ND is manufactured using a 28 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i5-8400T is manufactured using a 14 nm process.
In total, this processor boasts a generous 9.0 MB cache.
Q4/2015 Release date Q2/2018
RE421NAAY43KA Part Number --
2.0 MB L2-Cache 0 bytes
AMD-V, AMD-Vt Virtualization VT-x, VT-x EPT, VT-d
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4.1, SSE4.2, AVX2
-- Chip design Monolithic
Merlin Falcon (Excavator) Architecture Coffee Lake S
28 nm Technology 14 nm
FP4 Socket LGA 1151-2
Operating systems Windows 10, Linux, Windows 11
-- Release price 260 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
0 bytes L3-Cache 9.0 MB